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Contact tracing is one of the most important control measures deployed during epidemics. Relying on the identification of contacts of known infected individuals, it necessitates a network perspective. Although pairwise models have been used…

Physics and Society · Physics 2026-03-05 Giulia de Meijere , Andrea Pugliese , Gerardo Iñiguez , Péter L. Simon , István Z. Kiss

Contact tracing systems control the spread of disease by discovering the set of people an infectious individual has come into contact with. Students are often mobile and sociable and therefore can contribute to the spread of disease.…

Human-Computer Interaction · Computer Science 2022-01-24 Dave Murray-Rust , Luis Soares , Katya Gorkovenko , John Rooksby

As a response to the COVID-19 pandemic digital contact tracing has been proposed as a tool to support the health authorities in their quest to determine who has been in close and sustained contact with a person infected by the coronavirus.…

Computers and Society · Computer Science 2021-01-13 Jaap-Henk Hoepman

Currently, many countries are considering the introduction of tracing software on mobile smartphones with the main purpose to inform and alarm the mobile app user. Here, we demonstrate that, in addition to alarming and informing, mobile…

Social and Information Networks · Computer Science 2020-09-22 Bastian Prasse , Piet Van Mieghem

Contact tracing has been considered as an effective measure to limit the transmission of infectious disease such as COVID-19. Trajectory-based contact tracing compares the trajectories of users with the patients, and allows the tracing of…

Databases · Computer Science 2023-03-07 Maocheng Li , Yuxiang Zeng , Libin Zheng , Lei Chen , Qing Li

Technological advancements have significantly transformed communication patterns, introducing a diverse array of online platforms, thereby prompting individuals to use multiple profiles for different domains and objectives. Enhancing the…

Cryptography and Security · Computer Science 2024-07-08 Shahar Somin , Keeley Erhardt , Alex 'Sandy' Pentland

We introduce a fundamentally different paradigm for contact tracing: for each positive case, do not only ask direct contacts to quarantine; instead, tell everyone how many relationships away the disease just struck (so, "2" is a close…

Computers and Society · Computer Science 2020-11-16 Po-Shen Loh

While prospect of tracking mobile devices' users is widely discussed all over European countries to counteract COVID-19 propagation, we propose a Bloom filter based construction providing users' location privacy and preventing mass…

Cryptography and Security · Computer Science 2020-07-21 Louis Tajan , Dirk Westhoff

The COVID-19 pandemic has fueled the development of smartphone applications to assist disease management. Many "corona apps" require widespread adoption to be effective, which has sparked public debates about the privacy, security, and…

The novel COVID-19 disease has been declared a pandemic event. Early detection of infection symptoms and contact tracing are playing a vital role in containing COVID-19 spread. As demonstrated by recent literature, multi-sensor and…

Systems and Control · Electrical Eng. & Systems 2024-08-01 Tommaso Polonelli , Lukas Schulthess , Philipp Mayer , Michele Magno , Luca Benini

The world is under an ongoing pandemic, COVID-19, of a scale last seen a century ago. Contact tracing is one of the most critical and highly effective tools for containing and breaking the chain of infections especially in the case of…

Computers and Society · Computer Science 2022-02-07 Nikolas Gritsch , Benjamin Tegeler , Faheem Hassan Zunjani

A contact-tracing strategy has been deemed necessary to contain the spread of COVID-19 following the relaxation of lockdown measures. Using an agent-based model, we explore one of the technology-based strategies proposed, a contact-tracing…

Computers and Society · Computer Science 2020-12-18 Jonatan Almagor , Stefano Picascia

The control of the COVID-19 pandemic requires a considerable reduction of contacts mostly achieved by imposing movement control up to the level of enforced quarantine. This has lead to a collapse of substantial parts of the economy.…

Social and Information Networks · Computer Science 2020-04-02 Christoph Günther , Michael Günther , Daniel Günther

Contact tracing is an essential tool in slowing and containing outbreaks of contagious diseases. Current contact tracing methods range from interviews with public health personnel to Bluetooth pings from smartphones. While all methods offer…

Methodology · Statistics 2024-12-17 K. J. Patten

Mitigation strategies that remove infectious individuals from the greater population have to balance their efficacy with the economic effects associated with quarantine and have to contend with the limited resources available to the public…

Quantitative Methods · Quantitative Biology 2020-12-09 Ted Londner , Jonathan Saunders , Dieter W. Schuldt , Bill Streilein

How to contain the spread of the COVID-19 virus is a major concern for most countries. As the situation continues to change, various countries are making efforts to reopen their economies by lifting some restrictions and enforcing new…

Computers and Society · Computer Science 2020-12-25 Patrick Ocheja , Yang Cao , Shiyao Ding , Masatoshi Yoshikawa

Contact tracing requires a strong understanding of the context of a user, and location with other sensory data could provide a context for any infection encounter. Although Bluetooth technology gives a good insight into the proximity aspect…

Cryptography and Security · Computer Science 2020-07-28 Ramesh Raskar , Abhishek Singh , Sam Zimmerman , Shrikant Kanaparti

Contact tracing has emerged as one of the main mitigation strategies to prevent the spread of pandemics such as COVID-19. Recently, several efforts have been initiated to track individuals, their movements, and interactions using…

Today, the entire world is facing incredible health and economic challenges due to the rapid spread of the life threatening novel Coronavirus Disease - 2019 (COVID-19). In the prevailing situation when a vaccine is many months away, the way…

Cryptography and Security · Computer Science 2020-05-22 Hiten Choudhury , Bidisha Goswami , Sameer Kumar Gurung

Millions of people have died all across the world because of the COVID-19 outbreak. Researchers worldwide are working together and facing many challenges to bring out the proper vaccines to prevent this infectious virus. Therefore, in this…

Computers and Society · Computer Science 2021-12-03 Linta Islam , Mafizur Rahman , Nabila Ahmad , Tasnia Sharmin , Jannatul Ferdous Sorna